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authorMarc Zyngier <maz@kernel.org>2020-09-18 16:11:25 +0300
committerWill Deacon <will@kernel.org>2020-09-29 18:08:17 +0300
commit31c84d6c9cde673b3866972552ec52e4c522b4fa (patch)
treeddc0e581bf96c1c173aba1ae982ff2cd7916d1cd
parentd63d975a71b332df36cc802e6e77a462af6b9fef (diff)
downloadlinux-31c84d6c9cde673b3866972552ec52e4c522b4fa.tar.xz
arm64: Get rid of arm64_ssbd_state
Out with the old ghost, in with the new... Signed-off-by: Marc Zyngier <maz@kernel.org> Signed-off-by: Will Deacon <will@kernel.org>
-rw-r--r--arch/arm64/include/asm/cpufeature.h14
-rw-r--r--arch/arm64/kernel/cpu_errata.c2
2 files changed, 0 insertions, 16 deletions
diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h
index 3b48aa121cee..fba6700b457b 100644
--- a/arch/arm64/include/asm/cpufeature.h
+++ b/arch/arm64/include/asm/cpufeature.h
@@ -698,20 +698,6 @@ static inline bool system_supports_tlb_range(void)
cpus_have_const_cap(ARM64_HAS_TLB_RANGE);
}
-#define ARM64_SSBD_UNKNOWN -1
-#define ARM64_SSBD_FORCE_DISABLE 0
-#define ARM64_SSBD_KERNEL 1
-#define ARM64_SSBD_FORCE_ENABLE 2
-#define ARM64_SSBD_MITIGATED 3
-
-static inline int arm64_get_ssbd_state(void)
-{
- extern int ssbd_state;
- return ssbd_state;
-}
-
-void arm64_set_ssbd_mitigation(bool state);
-
extern int do_emulate_mrs(struct pt_regs *regs, u32 sys_reg, u32 rt);
static inline u32 id_aa64mmfr0_parange_to_phys_shift(int parange)
diff --git a/arch/arm64/kernel/cpu_errata.c b/arch/arm64/kernel/cpu_errata.c
index 7e9caef13db4..6c8303559beb 100644
--- a/arch/arm64/kernel/cpu_errata.c
+++ b/arch/arm64/kernel/cpu_errata.c
@@ -106,8 +106,6 @@ cpu_enable_trap_ctr_access(const struct arm64_cpu_capabilities *cap)
sysreg_clear_set(sctlr_el1, SCTLR_EL1_UCT, 0);
}
-int ssbd_state __read_mostly = ARM64_SSBD_UNKNOWN;
-
#ifdef CONFIG_ARM64_ERRATUM_1463225
DEFINE_PER_CPU(int, __in_cortex_a76_erratum_1463225_wa);